Question

How do atmic raii vary in group and peroid. why?​

Answer 1

Frequency and period are distinctly different, yet related, quantities. Frequency refers to how often something happens. Period refers to the time it takes something to happen. Frequency is a rate quantity.

Step-by-step explanation:

Answer 2

Atomic radius decreases from left to right of a period and increases from top to bottom of a group. It increases from top to bottom because as you go down a group, the number of energy levels increases, and each subsequent energy level is further from the nucleus than the last. Hence atomic radius increases.